Glacier Trek Size Chart

Please measure your boots and refer to this size chart.

Men & Women's Shoe Size Insole Dimension
SMALL M - 5-6.5 / W - 6-8 11"x4.3"
MEDIUM M - 7-8.5 / W - 8.5-10 11.8"x4.4"
LARGE M - 9-10.5 / W - 10.5-12 12.4"x4.5"
X-LARGE M - 11-12.5 12.8"x4.6"
2X-LARGE M - 13-14.5 13.5"x4.8"
3X-LARGE M - 15-16.5 14"x5"
4X-LARGE M - 17+